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Class Information
Number: 976/DIG.147
Name: Nuclear technology > Emergency protection arrangements structally associated with the reactor (e.g., safety valves provided with pressure equalization devices) [g21c-9/00] *** (emergency cooling arrangements dig. 196) > Means for effecting very rapid reduction of the reactivity factor under fault conditions (e.g., reactor fuse, control elements having arrangements activated in an emergency) [g21c-9/02] *** (control elements, per se, dig. 113+) > By fast movement of a solid (e.g, pebbles) [g21c-9/02b]
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
4917855 Apparatus for the shutdown of a high temperature nuclear reactor Apr. 17, 1990
4889683 Thermally responsive trigger devices and their use in shut-down devices for nuclear reactors Dec. 26, 1989
4545954 Device for shutting down a high-temperature nuclear reactor Oct. 8, 1985
4452754 Shutdown system for a nuclear reactor Jun. 5, 1984
4343764 Nuclear reactor control column Aug. 10, 1982
4313794 Self-actuating and locking control for nuclear reactor Feb. 2, 1982
4304632 Nuclear reactor shutdown system Dec. 8, 1981
4233115 Safety apparatus for a nuclear reactor Nov. 11, 1980
4204909 Temperature sensitive self-actuated scram mechanism May. 27, 1980
4167443 Self-actuated rate of change of pressure scram device for nuclear reactors Sep. 11, 1979
4158602 Method and apparatus for controlling the neutron flux in nuclear reactors Jun. 19, 1979
4139414 Scram device having a multiplicity of neutron absorbing masses Feb. 13, 1979
4138320 Fluidic self-actuating control assembly Feb. 6, 1979
4120753 Solid absorbant safety device for a nuclear reactor Oct. 17, 1978
4108721 Axisymmetric fluidic throttling flow controller Aug. 22, 1978
4104121 Solid absorbent safety device for a nuclear reactor Aug. 1, 1978
4076587 Fuse and application of said fuse to the construction of an emergency shutdown system for a nuclear reactor Feb. 28, 1978
4076583 Control for nuclear reactor Feb. 28, 1978
4073681 Nuclear reactor shutdown system Feb. 14, 1978
4025388 Shutting down gas cooled nuclear reactors May. 24, 1977
4019954 Safety device for a nuclear reactor and especially a fast reactor Apr. 26, 1977
3992257 Neutron-absorber release device Nov. 16, 1976
3976540 Magnetic latch trigger for inherent shutdown assembly Aug. 24, 1976
3976543 Temperature actuated shutdown assembly for a nuclear reactor Aug. 24, 1976
3933581 Control rod drive for reactor shutdown Jan. 20, 1976
3932215 Vertical control rod for rapid and safe shut-off of nuclear reactors Jan. 13, 1976











 
 
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